Home / 1,237,346.82-1,705,749.36-868,701.66

Finding the Fourth Proportional to 1,237,346.82, 1,705,749.36 and 868,701.66

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Solution

The fourth proportional to 1,237,346.82, 1,705,749.36 and 868,701.66 is: 1,197,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,346.82 : 1,705,749.36 = 868,701.66 : x
  2. Step 2: Convert to fraction form
    1,237,346.82/1,705,749.36 = 868,701.66/x
  3. Step 3: Cross multiply
    1,237,346.82x = 1,705,749.36 × 868,701.66
  4. Step 4: Simplify right side
    1,237,346.82x = 1,481,787,300,575.94
  5. Step 5: Solve for x
    x = 1,481,787,300,575.94/1,237,346.82
  6. Step 6: Final answer
    x = 1,197,552.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.